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02-02-2012, 11:22 AM
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#1
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Senior Member
City: Monterey, CA
Vessel Name: Mahalo
Vessel Model: Defever 44
Join Date: Jun 2011
Posts: 406
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12v outlets
Does anyone else have these?* I have a set in each bathroom.* Since I have no cigarette lighter adapter, I rigged a cigarette adapter to plug into the outlet and a small inverter to use the outlet but I'm terrified about plugging it into the wrong one.
Has anyone replaced them with a standard cigarette adapter?
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02-02-2012, 04:23 PM
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#2
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Guru
City: North Charleston, SC
Join Date: Sep 2010
Posts: 4,870
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12v outlets
Quote:
Baggiolini wrote:
Does anyone else have these?* I have a set in each bathroom.* Since I have no cigarette lighter adapter, I rigged a cigarette adapter to plug into the outlet and a small inverter to use the outlet but I'm terrified about plugging it into the wrong one.
Has anyone replaced them with a standard cigarette adapter?
I've never seem a 12 volt outlet like that but it doesn't matter what I've seen.* There's no reason you couldn't replace them with standard 12 volt DC outlets.
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*
-- Edited by rwidman on Thursday 2nd of February 2012 06:23:52 PM
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02-02-2012, 07:53 PM
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#3
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Guru
Join Date: Oct 2007
Posts: 698
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RE: 12v outlets
Yep, I've got lots of them. There's not enough space in the box to put a lighter socket in mine. I have a coupe of pigtails made up for cell phone chargers and such that I want 12v for.
Maybe the best idea I've seen for them is a boat that had child protector plugs in all the 12v plugins with a label clearly stating 12v. You had to take out the kiddie plug to put in a 12v one. And, for things that need correct polarity one side of each plug in had red paint, nail polish I suspect on the positive side. Just a small hald circle that was covered by the kiddie plug. The male plug on the portable fans they had had a red dot on the correct side also.
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02-02-2012, 09:43 PM
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#4
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Senior Member
City: Anacortes
Vessel Name: Selah
Vessel Model: Ocean Alexander 40
Join Date: Dec 2011
Posts: 315
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RE: 12v outlets
I have several next to 110VAC outlets, no polarity markings. It's a new-to-us boat and I haven't decided what to do with them.
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02-02-2012, 11:05 PM
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#5
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Master and Commander
City: Vallejo CA
Vessel Name: Carquinez Coot
Vessel Model: penultimate Seahorse Marine Coot hull #6
Join Date: Sep 2010
Posts: 12,559
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RE: 12v outlets
Got five pairs of 110VAC outlets (bathroom, pilothouse, and three in saloon) as well as two "cigarette-lighter style" 12VDC outlets (pilothouse and saloon).* Haven't used the DC plugs yet in 8 months, but use the AC for heater, charging phones and such, and for power tools.
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02-03-2012, 02:59 AM
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#6
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Guru
Join Date: Oct 2007
Posts: 22,553
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RE: 12v outlets
The simplest way to power 12V or 24V DC goodies is with a std small 240V plug and socket set.
Rated at 15A or 20A if you buy the better grade and polarized , so the gear will get the proper polarity.
These clean them selves on insertion and do a far better job at powering DC than the cigar lighter style.
The standard in off grid homes for 3-4 decades.
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02-03-2012, 06:23 AM
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#7
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Senior Member
City: Monterey, CA
Vessel Name: Mahalo
Vessel Model: Defever 44
Join Date: Jun 2011
Posts: 406
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RE: 12v outlets
Thanks all. Didn't even think about a fan, that's a great idea. I'm off to the depot today to look at 240 plugs and tp pick up some of the kiddie safety plugs.
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02-05-2012, 04:15 AM
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#8
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Guru
Join Date: Oct 2007
Posts: 22,553
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RE: 12v outlets
240v plugs and sockets are identical to 120V , the difference being the angle of the pins.
AS usual the better ($6.00) sockets are far more user friendly than the cheap "contractor " grade.
For the contractor grade you will need to install a crimped terminal, and then install it under a screw terminal.
The better grade simply required slipping the end of the wire in a hole and tightening a screw which crushes the wire.
Bending tinned or bare multistrand wire to capture it under a screw is poor workmanship.
The 240V plugs have a long good history with DC , you will never pull out the plug and feel warmth , wasted energy, as with cigar lighter plugs.
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02-05-2012, 07:33 PM
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#9
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TF Site Team
City: Saltspring Island
Vessel Name: Retreat
Vessel Model: C&L 44
Join Date: Nov 2007
Posts: 5,663
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RE: 12v outlets
Before changing the 12 v outlets to the 240v standard, We had our 12v freezer plugged into the 12v with the 2 prong, the three prong is for 120v, right? Well, guess what 120v does to a 12 v freezer.
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02-05-2012, 08:40 PM
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#10
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Veteran Member
Join Date: Jun 2010
Posts: 83
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RE: 12v outlets
Quote:
koliver wrote:
Well, guess what 120v does to a 12 v freezer.
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*
Yep. If you have this system on board sooner or later it will happen. Does nasty things to scientific equipment too.
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02-06-2012, 03:15 AM
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#11
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TF Site Team
City: Ex-Brisbane, (Australia), now Bribie Island, Qld
Vessel Name: Now boatless - sold 6/2018
Vessel Model: Had a Clipper (CHB) 34
Join Date: Jun 2008
Posts: 10,101
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RE: 12v outlets
Sounds downright dangerous to me. I'd go for cigar lighter plug any day for 12v DC appliances frequently moved about - no possible mistake there. That or wired in, so the 12v appliance can auto switch from 12v DC to 120v AC (or in our case 240V AC), like frigs etc.
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02-06-2012, 03:32 AM
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#12
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Guru
Join Date: Oct 2007
Posts: 22,553
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RE: 12v outlets
We had our 12v freezer plugged into the 12v with the 2 prong, the three prong is for 120v, right
NOPE,
both 120v and 240v plugs and sockets are 3 prong.
That causes them to be polarized , which is the point!
Anything that needs to be plugged into a specific voltage or polarity simply needs a correct plug.
About $3.00 at a box store.
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02-06-2012, 05:08 AM
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#13
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Guru
City: North Charleston, SC
Join Date: Sep 2010
Posts: 4,870
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RE: 12v outlets
Another option for 12 volt plugs and sockets, are the trolling motor and/or electric fishing reel plugs and sockets you will find at marine and sports stores.
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